How do I enter rcm entry in BUSY and in case of any special case how to do accounting for export?

To enter RCM (Reverse Charge Mechanism) entries in GST returns, you need to follow these steps: 
 Step 1: Open your compnay then go to the Transactions menu 
 Step 2: Select Journal and click on Add 
 Step 3: Enter the required details such as date, voucher no, etc. 
 Step 4: Select the GST Nature as RCM Expense. 
 Step 5: Debit the expense head and make sure in the expense head RCM Nature, ITC Eligibility, Tax Category, etc entered correctly. 
 Step 6: Credit side enter your party head. 
 Step 7: After enter the voucher you need to consolidate the RCM entry by going the GST Misc. Utilities under the Transaction menu. 
 Step 8: Then, select Check/Post Consolidated RCM Payable and can select either Monthly Basis or Daily Basis. 
 Step 9: Now, press F4 for post Consolidated RCM payable voucher. 
 And wants to add rcm entry through purchase follow these steps 
 Step 1 Go to the Transactions menu 
 Step 2 Select the purchase voucher 
 Step 3 Enter the required details such as date, voucher no, etc. 
 Step 4 Select purchase type as Unregistered rcm and proceed to select party and items and save the voucher 
 Step 5 After enter the voucher you need to consolidate the RCM entry by going the GST Misc. Utilities under the Transaction menu. 
 Step 6 Then, select Check/Post Consolidated RCM Payable and can select either Monthly Basis or Daily Basis. 
 Step 7 Now, press F4 for post Consolidated RCM payable voucher. 
 Step 8 Now you can check the rcm entry in GST returns under rcm section in gst reports
 Note:To confirm any accounting entry or provision in any specific case like export,you can contact your tax professional